/*
 * Copyright 2010 Assert Developments
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package be.ad.coffeebreak.web;

import javax.servlet.http.HttpServletRequest;

/**
 * An http servlet command context.
 *
 * @author Stefan Bangels
 */
public class HttpServletCommandContext implements CommandContext {

    private final HttpServletRequest request;

    /**
     * Default constructor, providing an http request.
     *
     * @param request the request
     */
    public HttpServletCommandContext(HttpServletRequest request) {
        this.request = request;
    }

    /**
     * Returns true if the request should be interpreted as a get.
     *
     * @return returns true if it's a get request
     */
    @Override
    public boolean isRequest() {
        return WebConstants.METHOD_GET.equalsIgnoreCase(request.getMethod());
    }

    /**
     * Returns true if the request should be interpreted as a submit.
     *
     * @return returns true if it's a submit request
     */
    @Override
    public boolean isSubmit() {
        return WebConstants.METHOD_POST.equalsIgnoreCase(request.getMethod());
    }

    /**
     * Get a request parameter.
     *
     * @param key the parameter key
     * @return the parameter value
     */
    @Override
    public String getParameter(String key) {
        return request.getParameter(key);
    }

    /**
     * Sets a model attribute.
     *
     * @param key   the attribute key
     * @param value the attribute value
     */
    @Override
    public void setModel(String key, Object value) {
        request.setAttribute(key, value);
    }

}
